Fleece Cummins Turbo Drain Adapter to -10AN. The Cummins turbo drain tube adapter is made from high quality 6061 aluminum and anodized black for a superior appearance. It fits into the engine block drain tube location just like the factory drain tube and allows you to use high quality -10 AN hose to route your own turbo drain. Includes 2 O-rings and fits 1998.5-2022 Cummins.